
Cobalt Nickel Alloy Metal Spinner Discs for Glass Wool Defibering Machine. Customized Manufacturing: Full customization available from samples, designs, or specific requirements. Wear and Corrosion Resistance: Made from Cobalt Nickel Alloy with hardness of 38-44HRC for durability. High Precision Holes: Produces fine fibers with hole dimensions of 0.5-1.0mm and up to 24000 holes. ISO9001 Certified: Products meet ISO9001, ASTM, and GB standards for quality assurance. Long Service Life: Guaranteed lifetime of at least 168 hours under specified working conditions. Free Samples Available: Free samples provided for testing, with customer covering freight costs. Weekly Order Updates: Customers receive weekly working schedules and detailed inspection pictures.